/*
 * Created by LiuYou on 2020/12/17.
 *
 */

#ifndef EFFECTIVE_CPP_2_DISPLAY_HPP
#define EFFECTIVE_CPP_2_DISPLAY_HPP


#include <ostream>

namespace NoteBook {
    namespace Display {
        class Display {
        public:
            friend std::ostream& operator<<(std::ostream& os, const Display& display);

            virtual ~Display();

        };
    }

}


#endif //EFFECTIVE_CPP_2_DISPLAY_HPP
